He got ________ birthdaycakes on his ________ birthday.
他15岁生日时得到了两个生日蛋糕。
考查基数词和序数词辨析。second第二，序数词；two二，基数词；fifteen十五，基数词；fifteenth第十五，序数词。根据句意，空一表示数量，应用基数词，故排除A、C项；空二表示顺序，应用序数词，故排除B项。故选D。
He got ________ birthdaycakes on his ________ birthday.
We are preparingprograms to celebrate our country’s ________ birthday.
—I like number “9” best,because I think it stands for “long lasting”.
—Me too. So I chose ________ floor to live on.
Please pass me_________book on the right.
— What did the teachersay?
—He told us to go over__________lessons.
Jack is going to be anolder brother. His parents are planning to have their________child.
The new bridge is________ metres long.
—What's the key to success, Dad?
—More time and hard work, ________ you'll make it one day.
Alice can sing some English songs, _______ she can’t play the guitar.
You must make sure your mask (口罩) is clean ________ you put it on.
